/Engine/Source/Runtime/TypedElementFramework/Public/Elements/Framework/TypedElementOwnerStore.h
Unregister any given element owners that match the given predicate, transferring ownership of the owner instance to the given callback.
void UnregisterElementOwners ( [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< bool(const [TTypedElementOwner](API\Runtime\TypedElementFramework\Elements\Framework\TTypedElementOwner)< ElementDataType > &)> InShouldUnregisterElement, [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< void([TTypedElementOwner](API\Runtime\TypedElementFramework\Elements\Framework\TTypedElementOwner)< ElementDataType > &&)> InOnUnregisterElement )